The utility model discloses a torque indicating wrench which is quite suitable for fastening objects which have a torque limit and a packing box of an oil well wellhead in oil industry, adjusting tightness of a pumping unit belt, and the like. The torque indicating wrench comprises a wrench clamping opening and a driving handle. A torque dial is fixed at the driving end of the driving handle. One end of a pointer is fixed on the body of the wrench clamping hole, the other end is suspended above the torque dial, and the pointer is used for reading a torque value on the torque dial by use of elastic deformation of the driving handle. The torque indicating wrench has the advantages that the service life of seal packing of the oil well wellhead is prolonged, the renewal period of the packing is greatly extended, the consumption of material cost is reduced, managing work load of wellhead oil leak and environmental contamination is decreased, the cleaner production is achieved, the labor intensity of workers on site is reduced, the service lives of polish rods and the packing are prolonged, and the cost of production is reduced. The torque indicating wrench can be applied to other industries as well, and enables the fastening effect of a fastened object to be in the best condition.